This integrated services network is built by using many kinds of service performance assurance mechanisms upon a general packet switched network.

这种网络是通过在统一的分组交换网络上实现各种不同的服务性能保证机制来构造的。

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This achievement validates that Missile Systems operates at the highest levels of performance excellence and highlights our commitment to quality and Mission Assurance.

这一成就证明了该导弹系统的最高卓越性能，并强调我们对质量的承诺与任务保证。

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System analysts, testers, and quality assurance staff can leverage models to analyze the system and its performance before the system is complete.

系统的分析人员、测试人员和质量保证人员能够在系统被完成之前利用模型分析系统和系统的性能。

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When assessing the effectiveness of internal control over financial reporting and compliance with financial-related laws and regulations, management must follow the assessment process contained in Appendix A. Annually, management must provide assurances on internal control in its Performance and Accountability Report, including a separate assurance on internal control over financial reporting, along with a report on identified material weaknesses and corrective actions.

WHITEHOUSE: OMB Circular A-123 - Management's Responsibility for Internal Control | The White House

The Quality Assurance Agency (QAA) exists to review the performance of universities and colleges of higher education.

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